Web/FirebaseSDK-Auth/Google-Sign-In/signin_with_pop-up_window.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>Firebase Authentication SDK Google 登入</title>
    <script src="https://www.gstatic.com/firebasejs/3.2.0/firebase.js"></script>
    <script>
        // 初始化 Firebase
        var config = {
            apiKey: "你的 API Key",
            authDomain: "myfirebaseproject-57619.firebaseapp.com",
            databaseURL: "https://myfirebaseproject-57619.firebaseio.com",
            storageBucket: "myfirebaseproject-57619.appspot.com",
        };
        firebase.initializeApp(config);

          
        var provider = new firebase.auth.GoogleAuthProvider(); 
        firebase.auth().signInWithPopup(provider).then(function(result) {      
          var token         = result.credential.accessToken;      
          var user          = result.user;      // 使用者資訊
        }).catch(function(error) {
          // 處理錯誤
          var errorCode     = error.code;
          var errorMessage  = error.message;     
          var email         = error.email;      // 使用者所使用的 Email
          var credential    = error.credential;      
        });       
        
    </script>
  </head>
  <body>
    <h1>Firebase Authentication SDK Google 登入</h1>
  </body>
</html>